Evidence map›Paper›PMID 21725367›Full record

ArticleOncogene2012

Phosphoinositide 3-kinase signaling is critical for ErbB3-driven breast cancer cell motility and metastasis.

T Smirnova, Z N Zhou, R J Flinn, J Wyckoff, P J Boimel, M Pozzuto, S J Coniglio, J M Backer, A R Bresnick, J S Condeelis and 2 more

Open access · greenAbstract read
In one paragraph

Article in Oncogene, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 35 papers.

0numbers the graph read from it
0cells of the map it votes in
35citing papers in PubMed
3.4field-weighted citation impact, top 7% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

35 citing papers in PubMed, 71 citations in OpenAlex.

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  18. Tumor cell intravasation.American journal of physiology. Cell physiology · 2016
    Review
  19. Increased expression of MyD88 and association with paclitaxel resistance in breast cancer.Tumour biology : the journal of the International Society for Oncodevelopmental Biology and Medicine · 2016
    Article
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

12 authors at 2 institutions in 2 countries.

T SmirnovaDepartment of Anatomy and Structural Biology, Albert Einstein College of Medicine, Bronx, NY 10801, USA.
Z N Zhou
R J Flinn
J Wyckoff
P J Boimel
M Pozzuto
S J Coniglio
J M Backer
A R Bresnick
J S Condeelis
N E Hynes
J E Segall
Albert Einstein College of Medicine · USFriedrich Miescher Institute · CH

Funding

MEDICAL SCIENTIST TRAINING PROGRAMT32GM007288 · NIGMS · YESHIVA UNIVERSITY · PI AKABAS, MYLES H. · 1985 to 2022
$35.6M
Tumor Progression and MetastasisP01CA100324 · NCI · YESHIVA UNIVERSITY · PI CONDEELIS, JOHN S · 2003 to 2018
$30.0M
Mechanisms of breast cancer progressionU01CA105490 · NCI · UNIVERSITY OF PENNSYLVANIA · PI CHODOSH, LEWIS A · 2004 to 2013
$6.7M
P85/P110 PI 3 KINASE--STRUCTURE/FUNCTION AND PHYSIOLOGYR01GM055692 · NIGMS · YESHIVA UNIVERSITY · PI BACKER, JONATHAN M. · 1997 to 2013
$4.4M
ERBB1 AND ERBB2 IN TUMOR MOTILITY AND METASTASISR01CA077522 · NCI · YESHIVA UNIVERSITY · PI SEGALL, JEFFREY E · 2000 to 2011
$3.0M
NCI NIH HHS CA100324NCI NIH HHS CA1U01105490NCI NIH HHS CA77522NCI NIH HHS P01 CA100324NCI NIH HHS R01 CA077522NCI NIH HHS U01 CA105490NIGMS NIH HHS R01 GM055692NIGMS NIH HHS R01 GM55692NIGMS NIH HHS T32 GM007288
6 · The paper itself

Abstract

Many malignancies show increased expression of the epidermal growth factor (EGF) receptor family member ErbB3 (HER3). ErbB3 binds heregulin β-1 (HRGβ1) and forms a heterodimer with other ErbB family members, such as ErbB2 (HER2) or EGF receptor (EGFR; HER1), enhancing phosphorylation of specific C-terminal tyrosine residues and activation of downstream signaling pathways. ErbB3 contains six YXXM motifs that bind the p85 subunit of phosphoinositide 3 (PI3)-kinase. Previous studies demonstrated that overexpression of ErbB3 in mammary tumor cells can significantly enhance chemotaxis to HRGβ1 and overall metastatic potential. We tested the hypothesis that ErbB3-mediated PI3-kinase signaling is critical for heregulin-induced motility, and therefore crucial for ErbB3-mediated invasion, intravasation and metastasis. The tyrosines in the six YXXM motifs on the ErbB3 C-terminus were replaced with phenylalanine. In contrast to overexpression of the wild-type ErbB3, overexpression of the mutant ErbB3 did not enhance chemotaxis towards HRGβ1 in vitro or in vivo. We also observed reduced tumor cell motility in the primary tumor by multiphoton microscopy, as well as a dramatically reduced ability of these cells to cross the endothelium and intravasate into the circulation. Moreover, whereas mutation of the ErbB3 C-terminus had no effect on tumor growth, it had a dramatic effect on spontaneous metastatic potential. Treatment with the PI3-kinase inhibitor PIK-75 similarly inhibited motility and invasion in vitro and in vivo. Our results indicate that stimulation of the early metastatic steps of motility and invasion by ErbB3 requires activation of the PI3-kinase pathway by the ErbB3 receptor.

Indexed as

AnimalsBinding SitesBreast NeoplasmsCell Line, TumorCell MovementFemaleHumansHydrazonesImmunoprecipitationMammary Neoplasms, AnimalMiceMice, SCIDMicroscopy, Fluorescence, MultiphotonMutationNeoplasm InvasivenessNeoplasm Metastasisheregulin beta1HydrazonesNeuregulin-1Phosphatidylinositol 3-KinasesPhosphoinositide-3 Kinase InhibitorsPIK 75Receptor, ErbB-3SulfonamidesTyrosine

Identifiers

PMID21725367
PMCPMC3469325
OpenAlexW2050655043

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.